To find these special secret hidden deleted scenes, go to the separate episode menus (press the + next to play) for the following episodes;
* "You Only Move Twice"
* "The Twisted World of Marge Simpson"
* "Mountain of Madness"
* "The Itchy & Scratchy & Poochie Show"
* "The Old Man and the Lisa"
* "Homer's Enemy"
There should be a light on the speaker to the left of the screen. Press left as soon as you get to the extra menu. It should highlight the light. Press OK.
More hidden extras
1. In the episode menu of "Trash of the Titans", after the animation, press 7, and then 27, Finally 07 (for July 27, the day The Simpsons Movie opens in 2007), and you'll see David Silverman working on the movie.
2. Also on the episode menu of "Trash of the Titans" if you wait for the clip to end, the words "The 200th" will appear, Homer's eyeballs making the two zeros.
3. In the episode "Lisa the Simpson" when Lisa looks at the brain teaser at lunch press the 6 button and a hidden, episode-long commentary from Bill Oakley and Josh Weinstein reflecting on their time working on the show and saying goodbye will come up. This secret is hinted at by Matt Groening in his intro.